she had taken the stage with tim mcgraw and alan jackson and george strait, the song you heard, i could go on and on of the and then has this huge fall from grace and her social life really messes up her success. how does that happen to someone? >> well, therein is this vulnerability. when you're talking about the potential of major depression being present, that deprives people of rational thought. it's very close to being delusional, where your kids don't seem to rate, your cherished pet, her dog, whose life she apparently took before her own, doesn't seem to rate. nothing seems like it can change. that's the deep blackness that encircles you when you're in the midst of the worst kind of major depression and the reason why people really need time to be reached when they're hospitalized. you can't turn them around in 48 hours. >> peter: when we hear this, we feel so helpless in so many ways. we say, this was a talented woman, but you look at this legacy that she left in terms of arrests and pain killers and alcohol and even a suicide attempt in 2005. people say, can that happen in our